We'd be sad to see you go, but yes you can close your account whenever you like.
To close your account please let us know in writing, either by email to firstname.lastname@example.org, or using your in-app chat.
Please be aware that we may need to complete an ID check and your account must have a nil balance before we can begin closing it.
If you're happy to share your reasons for leaving then we're always grateful for feedback. We're continually working on making the app/user experience the best it can be so if anything in particular has influenced your decision, please feel free to let us know – your feedback is valued and helps us improve our app and experience for users.